AADSTS7000218: The request body must contain the following parameter: 'client_assertion' or 'client_secret' [Microsoft Office 365]

[system]

When using the UiPath Office365 activity, following error message is thrown "AADSTS7000218 The request body must contain the following parameter 'client_assertion' or 'client_secret' " .

Issue description: When using UsernameAndPassword authentication from Office 365 Scope, the following error is thrown when trying to authenticate

Full error in text:

RemoteException wrapping Microsoft.Graph.ServiceException: Code: generalException
Message: An error occurred sending the request.
  ---> RemoteException wrapping Microsoft.Identity.Client.MsalServiceException: A configuration issue is preventing authentication - check the error message from the server for details. You can modify the configuration in the application registration portal. See https://aka.ms/msal-net-invalid-client for details.  Original exception: AADSTS7000218: The request body must contain the following parameter: 'client_assertion' or 'client_secret'.

Resolution:

Go to Azure -> App Registrations -> <Select your App Registration> -> go to the Authentication blade -> Enable "Allow public client flow" under Advanced Settings